与精子的排出无关的是()
A.附睾
B.输精管
C.射精管
D.膀胱
E. * *
参考答案:D
配方法解方程:
(1)x2+4x=-3;
(2)2x2+x=0。
____ is always right.
A No matter what you say B Whatever you say
C No matter how you say D However you say